A.0.15-0.2 B.0.2-0.35 C.0.3-0.35 D.0.35-0.4
A.40% B.50% C.60% D.70%
A.制動撒砂 B.制動不撒砂 C.啟動撒砂 D.運(yùn)行撒砂